<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
        <div id="main" style="width:750px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import echarts from 'echarts'
//导入lodash
import _ from 'lodash'
export default {
  data() {
    return {
      //需要跟请求的折线图数据合并的options
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created(){

  },
  async mounted(){
       var myChart = echarts.init(document.getElementById('main'))
       const {data:res} = await this.$http.get('reports/type/1')
       if(res.meta.status !== 200){
           return this.$message.error('获取折现图数据失败')
       }

       const result = _.merge(res.data,this.options)

         // 指定图表的配置项和数据
       
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result);
     
  },
  methods:{

  }
}
</script lang="less" scoped>

<style>

</style>
